package com.lanchetech.service.impl;

import com.alibaba.fastjson.JSON;
import com.lanchetech.bean.request.PushDataReq;
import com.lanchetech.bean.request.PushLogisticsReq;
import com.lanchetech.bean.response.BaseResp;
import com.lanchetech.bean.response.PushLogisticsResp;
import com.lanchetech.bean.response.ResultData;
import com.lanchetech.common.enums.FreezeTypeEnum;
import com.lanchetech.common.enums.LogisticsStatusEnum;
import com.lanchetech.common.enums.OrdersStatusEnum;
import com.lanchetech.common.enums.PushLogisticsStatusEnum;
import com.lanchetech.dao.FreezeAmountMapper;
import com.lanchetech.dao.LogisticsCompanyMapper;
import com.lanchetech.dao.OrderSkuMapper;
import com.lanchetech.dao.OrdersMapper;
import com.lanchetech.entity.FreezeAmount;
import com.lanchetech.entity.LogisticsCompany;
import com.lanchetech.entity.Orders;
import com.lanchetech.service.FinanceService;
import com.lanchetech.service.LogisticsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Service;

import java.io.*;
import java.math.BigDecimal;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * 快递鸟物流轨迹即时查询接口
 *
 * @技术QQ群: 456320272
 * @see: http://www.kdniao.com/YundanChaxunAPI.aspx
 * @copyright: 深圳市快金数据技术服务有限公司
 * <p>
 * DEMO中的电商ID与私钥仅限测试使用，正式环境请单独注册账号
 * 单日超过500单查询量，建议接入我方物流轨迹订阅推送接口
 * <p>
 * ID和Key请到官网申请：http://www.kdniao.com/ServiceApply.aspx
 */

@Service
public class LogisticsServiceImpl implements LogisticsService {

    @Autowired
    LogisticsCompanyMapper logisticsCompanyMapper;

    @Autowired
    OrdersMapper ordersMapper;

    @Autowired
    OrderSkuMapper orderSkuMapper;

    @Autowired
    RedisTemplate redisTemplate;

    @Autowired
    FreezeAmountMapper freezeAmountMapper;

    @Autowired
    FinanceService financeService;

    //DEMO
    public static void main(String[] args) {
        LogisticsServiceImpl api = new LogisticsServiceImpl();
        try {
            String result = api.getOrderTracesByJson("", "ZTO", "75328092776111", "15757130092");
            System.out.print(result);
//			{  "LogisticCode" : "75328092776111",  "ShipperCode" : "ZTO",  "Traces" : [ {    "AcceptStation" : "【扬州市】  【高邮送桥镇】（0514-84667018） 的 郭集工业区（13151514322） 已揽收",    "AcceptTime" : "2020-01-12 21:41:37"  }, {    "AcceptStation" : "【扬州市】  快件离开 【高邮】 已发往 【杭州中转部】",    "AcceptTime" : "2020-01-12 22:30:43"  }, {    "AcceptStation" : "【泰州市】  快件已经到达 【泰州中转部】",    "AcceptTime" : "2020-01-14 01:25:24"  }, {    "AcceptStation" : "【泰州市】  快件离开 【泰州中转部】 已发往 【杭州中转部】",    "AcceptTime" : "2020-01-14 01:26:38"  }, {    "AcceptStation" : "【嘉兴市】  快件已经到达 【杭州中转部】",    "AcceptTime" : "2020-01-14 08:23:12"  }, {    "AcceptStation" : "【嘉兴市】  快件离开 【杭州中转部】 已发往 【滨江奥体】",    "AcceptTime" : "2020-01-14 10:04:10"  }, {    "AcceptStation" : "【杭州市】  快件已经到达 【滨江奥体】",    "AcceptTime" : "2020-01-14 16:16:56"  }, {    "AcceptStation" : "【杭州市】  【滨江奥体】 的P1王安平（13486370459） 正在第1次派件, 请保持电话畅通,并耐心等待（95720为中通快递员外呼专属号码，请放心接听）",    "AcceptTime" : "2020-01-15 07:20:45"  }, {    "AcceptStation" : "【杭州市】  快件已由【菜鸟的杭州阳光城上府店】代签收, 如有问题请电联（13486370459 / 4001787878）, 感谢您使用中通快递, 期待再次为您服务!",    "AcceptTime" : "2020-01-15 10:50:49"  } ],  "State" : "3",  "EBusinessID" : "1618801",  "Success" : true}

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //电商ID
    private String EBusinessID = "1618801";
    //电商加密私钥，快递鸟提供，注意保管，不要泄漏
    private String AppKey = "4b54fbc6-1c79-4086-a604-0865e063887a";
    //请求url
    private String ReqURL = "http://api.kdniao.com/Ebusiness/EbusinessOrderHandle.aspx";

    public static String getCardTailNum(String cardNum) {
        StringBuffer tailNum = new StringBuffer();
        if (cardNum != null) {
            int len = cardNum.length();
            for (int i = len - 1; i >= len - 4; i--) {
                tailNum.append(cardNum.charAt(i));
            }
            tailNum.reverse();
        }
        return tailNum.toString();
    }

    /**
     * Json方式 查询订单物流轨迹
     *
     * @throws Exception
     */
    @Override
    public String getOrderTracesByJson(String orderCode, String expCode, String expNo, String customerName) throws Exception {
        ValueOperations<String, String> operations = redisTemplate.opsForValue();
        String key = "LogisticsTrace:" + orderCode;
        String result = operations.get(key);
        if (result != null) {
            return result;
        }
        // 姓名或手机号后4位
        String requestData = "{'OrderCode':'" + orderCode + "','ShipperCode':'" + expCode + "','LogisticCode':'" + expNo + "','CustomerName':'" + getCardTailNum(customerName) + "'}";
        Map<String, String> params = new HashMap<String, String>();
        params.put("RequestData", urlEncoder(requestData, "UTF-8"));
        params.put("EBusinessID", EBusinessID);
        params.put("RequestType", "8001");
        String dataSign = encrypt(requestData, AppKey, "UTF-8");
        params.put("DataSign", urlEncoder(dataSign, "UTF-8"));
        params.put("DataType", "2");

        result = sendPost(ReqURL, params);
        //根据公司业务处理返回的信息......
        operations.set(key, result, 10, TimeUnit.MINUTES);
        return result;
    }

    @Override
    public ResultData<List<LogisticsCompany>> getLogisticsCompanyList() {
        ValueOperations<String, List<LogisticsCompany>> operations = redisTemplate.opsForValue();
        String key = "LogisticsCompany";

        List<LogisticsCompany> result = operations.get(key);
        if (result != null) {
            return new ResultData<>(result);
        }

        result = logisticsCompanyMapper.findAll();
        operations.set(key, result);
        return new ResultData<>(result);
    }

    @Override
    public PushLogisticsResp getPushLogisticsData(Map<String, Object> req) {
        PushLogisticsReq requestData = JSON.parseObject(String.valueOf(req.get("RequestData")), PushLogisticsReq.class);
        List<PushDataReq> pushDataReq = JSON.parseArray(JSON.toJSONString(requestData.getData()), PushDataReq.class);
        pushDataReq.stream().forEach(item -> {
            Orders selectOrders = ordersMapper.findOneByLogisticsNumber(item.getLogisticCode());
            if (selectOrders != null) {
                if (PushLogisticsStatusEnum.SIGN_FOR.getStatus().equals(item.getState())) {
                    selectOrders.setLogisticsStatus(LogisticsStatusEnum.RECEIVED.getStatus());
                    ordersMapper.updateByPrimaryKeySelective(selectOrders);
                    orderSkuMapper.updateStatusAndLogisticsStatusByOrderId(OrdersStatusEnum.DONE.getStatus(), LogisticsStatusEnum.RECEIVED.getStatus(), selectOrders.getId());
                }
                if (PushLogisticsStatusEnum.COLLECT.getStatus().equals(item.getState())
                        || PushLogisticsStatusEnum.ON_THE_WAY.getStatus().equals(item.getState())
                        || PushLogisticsStatusEnum.SIGN_FOR.getStatus().equals(item.getState())
                ) {
                    // 对订单进行发货解冻
                    unFreezeOrder(selectOrders);
                }
            }
        });

        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String format = dateFormat.format(new Date());
        return PushLogisticsResp.builder()
                .EBusinessID(EBusinessID)
                .UpdateTime(format)
                .Success(Boolean.TRUE)
                .Reason("")
                .build();
    }

    @Override
    public void unFreezeOrder(Orders selectOrders) {
        // 对订单进行发货解冻
        FreezeAmount freezeAmount = freezeAmountMapper.findOneByOrderIdAndType(selectOrders.getId(), FreezeTypeEnum.EXPRESS.getType());
        if (freezeAmount == null) {
            BigDecimal amount = selectOrders.getTotalTenantAmount().divide(new BigDecimal(2), 2, BigDecimal.ROUND_HALF_DOWN);
            if (selectOrders.getTotalRefundAmount() != null && selectOrders.getTotalRefundAmount().compareTo(BigDecimal.ZERO) > 0) {
                BigDecimal rate = BigDecimal.ONE.subtract(selectOrders.getTotalRefundAmount().divide(selectOrders.getTotalPayAmount(), 2, BigDecimal.ROUND_HALF_DOWN));
                if (rate.compareTo(BigDecimal.ZERO) == 0) {
                    amount = BigDecimal.ZERO;
                } else {
                    amount = selectOrders.getTotalTenantAmount().multiply(rate).divide(new BigDecimal(2), 2, BigDecimal.ROUND_HALF_DOWN);
                }
            }
            financeService.createFreezeAmount(selectOrders, amount, FreezeTypeEnum.EXPRESS.getType());
        }
    }

    @Override
    public String subscribeMessage(String shipperCode, String logisticCode) throws Exception {
        String requestData = "{'ShipperCode':'" + shipperCode + "','LogisticCode':'" + logisticCode + "'}";

        Map<String, String> params = new HashMap<String, String>();
        params.put("RequestData", urlEncoder(requestData, "UTF-8"));
        params.put("EBusinessID", EBusinessID);
        params.put("RequestType", "8008");
        String dataSign = encrypt(requestData, AppKey, "UTF-8");
        params.put("DataSign", urlEncoder(dataSign, "UTF-8"));
        params.put("DataType", "2");

        String result = sendPost(ReqURL, params);
        //根据公司业务处理返回的信息......
        return result;
    }


    @Override
    public BaseResp subscribeKdniaoPush(Long orderId) {
        Orders orders = ordersMapper.selectByPrimaryKey(orderId);
        try {
            subscribeMessage(orders.getLogisticsCompany(), orders.getLogisticsNumber());
        } catch (Exception e) {
            e.printStackTrace();
        }
        return new BaseResp();
    }


    /**
     * MD5加密
     *
     * @param str     内容
     * @param charset 编码方式
     * @throws Exception
     */
    @SuppressWarnings("unused")
    private String MD5(String str, String charset) throws Exception {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes(charset));
        byte[] result = md.digest();
        StringBuffer sb = new StringBuffer(32);
        for (int i = 0; i < result.length; i++) {
            int val = result[i] & 0xff;
            if (val <= 0xf) {
                sb.append("0");
            }
            sb.append(Integer.toHexString(val));
        }
        return sb.toString().toLowerCase();
    }

    /**
     * base64编码
     *
     * @param str     内容
     * @param charset 编码方式
     * @throws UnsupportedEncodingException
     */
    private String base64(String str, String charset) throws UnsupportedEncodingException {
        String encoded = base64Encode(str.getBytes(charset));
        return encoded;
    }

    @SuppressWarnings("unused")
    private String urlEncoder(String str, String charset) throws UnsupportedEncodingException {
        String result = URLEncoder.encode(str, charset);
        return result;
    }

    /**
     * 电商Sign签名生成
     *
     * @param content  内容
     * @param keyValue Appkey
     * @param charset  编码方式
     * @return DataSign签名
     * @throws UnsupportedEncodingException ,Exception
     */
    @SuppressWarnings("unused")
    private String encrypt(String content, String keyValue, String charset) throws UnsupportedEncodingException, Exception {
        if (keyValue != null) {
            return base64(MD5(content + keyValue, charset), charset);
        }
        return base64(MD5(content, charset), charset);
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url    发送请求的 URL
     * @param params 请求的参数集合
     * @return 远程资源的响应结果
     */
    @SuppressWarnings("unused")
    private String sendPost(String url, Map<String, String> params) {
        OutputStreamWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            URL realUrl = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // POST方法
            conn.setRequestMethod("POST");
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.connect();
            // 获取URLConnection对象对应的输出流
            out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
            // 发送请求参数            
            if (params != null) {
                StringBuilder param = new StringBuilder();
                for (Map.Entry<String, String> entry : params.entrySet()) {
                    if (param.length() > 0) {
                        param.append("&");
                    }
                    param.append(entry.getKey());
                    param.append("=");
                    param.append(entry.getValue());
                    //System.out.println(entry.getKey()+":"+entry.getValue());
                }
                //System.out.println("param:"+param.toString());
                out.write(param.toString());
            }
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result.toString();
    }


    private static char[] base64EncodeChars = new char[]{
            'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
            'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
            'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
            'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
            'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
            'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
            'w', 'x', 'y', 'z', '0', '1', '2', '3',
            '4', '5', '6', '7', '8', '9', '+', '/'};

    public static String base64Encode(byte[] data) {
        StringBuffer sb = new StringBuffer();
        int len = data.length;
        int i = 0;
        int b1, b2, b3;
        while (i < len) {
            b1 = data[i++] & 0xff;
            if (i == len) {
                sb.append(base64EncodeChars[b1 >>> 2]);
                sb.append(base64EncodeChars[(b1 & 0x3) << 4]);
                sb.append("==");
                break;
            }
            b2 = data[i++] & 0xff;
            if (i == len) {
                sb.append(base64EncodeChars[b1 >>> 2]);
                sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]);
                sb.append(base64EncodeChars[(b2 & 0x0f) << 2]);
                sb.append("=");
                break;
            }
            b3 = data[i++] & 0xff;
            sb.append(base64EncodeChars[b1 >>> 2]);
            sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]);
            sb.append(base64EncodeChars[((b2 & 0x0f) << 2) | ((b3 & 0xc0) >>> 6)]);
            sb.append(base64EncodeChars[b3 & 0x3f]);
        }
        return sb.toString();
    }
}
